Watt Water
Watt Water
How many wats of heat is needed to boil one litre of water and how many watts are need to produce water vapor?
The two answers I want are how many heating watts are required to heat one litre water from 1 degree C to 100 C dregree? And how many more watts to heat one litre of water from 100 C to water vapour?
You have your terminology mixed up: watts are a measurement of power in an electrical circuit. Power (in watts) equals electrical current (in amps) times voltage (in volts). Heat is measured in calories. The definition of a calorie is the amount of heat needed to raise one liter of water one degree (Celsius) at STP (standard temperature and pressure). The amount of heat required to raise water from 1 to 100 degrees C is 100 calories (corrected for temperature and pressure). I do not remember the amount of heat required to change water at 100 C to steam at 100 C, but it is substantially more than one calorie.
Oh. And if by chance you meant to ask, "How many watts of power on my electric stove are required...", then there is not enough information given to answer the question (stove efficiency, for example), nor is this the place to be ask that question: this forum is called Earth Sciences & Geology because it deals with questions related to Earth Sciences & Geology.
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Utilities to store megawatts of juice with ice
A group of utilities in Southern California plan to shift 53 megawatts worth of electricity use from peak times using ice-powered air conditioners from Ice Energy.
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